‘DURBAN, South Africa — China, the world’s biggest greenhouse gas emitter, has once again emerged as the biggest puzzle at international climate change talks, sending ambiguous signals about the role it intends to play in future negotiations. This week, the nation’s top climate envoy said that China would be open to signing a formal treaty limiting emissions after 2020 — but laid down conditions for doing so that are unlikely ever to be met.’
via At Climate Talks, a Familiar Standoff Emerges Between the U.S. and China – NYTimes.com.